Protective and Diagnostic Functions
7-11
CPF05
外部 A/D2
故障
CPU External A/D Converter Error
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
• A short-circuit between +V, −V, and
AC terminals occurred.
• Overload in the control circuit ter-
minal.
• Make sure that incorrect wiring
has not been done.
• Check the resistance and wir-
ing for the frequency setting
potentiometer, etc. (Check that
the current for terminals +V and
–V is 20 mA or less.)
CPF06
选择卡连
接故障
Option Board Connection Error
The option board is not connected
properly.
Turn off the power and insert the
board again.
The Inverter or option board is faulty.
Replace the option board or the
Inverter.
CPF07
RAM 故障
ASIC Internal RAM Fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
CPF08
WAT 故障
Watchdog Timer Fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
CPF09
CPU 故障
CPU-ASIC Mutual Diagnosis Fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
CPF10
ASIC 故障
ASIC Version Fault The Inverter control circuit is faulty Replace the Inverter.
CPF20
选件卡
故障
Communications Option Board A/
D Converter Error
The option board is not connected
properly.
Turn off the power and insert the
board again.
The option board's A/D converter is
faulty.
Replace the Communications
Option Board.
CPF21
选件卡自
诊故障
Communications Option Board
Self Diagnostic Error
Communications Option Board fault. Replace the option board.
CPF22
选件卡类
型故障
Communications Option Board
Model Code Error
CPF23
选件卡互
诊故障
Communications Option Board
DPRAM Error
Communications Option Board fault. Replace the option board.
The copy function of the Digital Oper-
ator was used during communications.
• Use the copy function off-line.
• Use the copy function with an
option board removed.
The option board is not connected
properly.
Turn off the power and insert the
board again.
Table 7.1 Fault Displays and Processing (Continued)
Display Meaning Probable Causes Corrective Actions
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